USD

OpenUSD or simply USD refers to Universal Scene Description which is a pipeline for defining, composing and reading hierarchical scene descriptions. It was developed by Pixar as the core of its 3D graphics pipeline. USD provides a scene description of models and shots to be consumed by a wide range of third-party authoring applications, renderers, NVIDIA GPU applications and Pixar’s rendering applications.

The TouchDesigner USD COMP loads and imports most geometric schemas from a USD file in crate/binary or ASCII file formats with extensions as (.usd), (.usda), (.usdc), and (.usdz).

USD facilitates the collaboration of multiple artists or content creators to work on the same scene and assets. This means that they have the capability to make their own assemblies, packaging, edit their assets and data, or define variant sets to a have switchable discrete set of alternatives of scene tree.

For detailed description of USD features and API refer to https://openusd.org/docs/

For examples: https://developer.apple.com/augmented-reality/quick-look/

USD version 25.05.01 is currently being used in TouchDesigner.

See: USD COMP, USD In TouchDesigner